| 1954 LEONHARD KATZ Glide Bomb Patent Print Art |
| 1948 KATZ Design New Necklace CORO Patent 31992 |
| 1948 KATZ Design Necklace New CORO Patent 31991 |
| 1942 KATZ Necklace Ornamental Design COHN Patent 31864 |
| 1929 KATZ Harness And Collar Pad Patent Print |
| 1925 KATZ Design Harmoica Music STRAUSS Patent 25486 |
| 2002 KATZ Ornamental Design Snowshoe Patent 46039 |
| 1948 KATZ New Design Necklace CORO Patent 31996 |
| 1949 KATZ Automatic Dial Night Light For Phones Patent |
| 1948 KATZ Ornamentation New Necklace CORO Patent 32000 |
| 1928 KATZ HARRY Fender Patent Print Art |
| 1948 KATZ Ornamental Necklace Design CORO Patent 32204 |
| 1944 KATZ ABRAHAM Doll Construction Patent Print |
| 1942 KATZ Movement For Wrist Watches Patent |
| 1953 GRETA KATZ Brassiere Patent Print Art |
| 1948 KATZ Necklace Original Design CORO Patent 31994 |
| 1921 MAX KATZ Fabric VOSS & STERN Patent Print |
| 1948 KATZ New Necklace Design CORO Patent 31997 |
| 1888 MARCUS Cloth Roll Sample Dummy KATZ Patent 10716 |
| 1927 JACOB KATZ Game Patent Print Art |
| 1937 KATZ Clip Ornamental Design Jewelry Patent 24484 |
| 1945 KATZ Ornamental Design Bracelet CORO Patent 31925 |
| 1930 KATZ AND BLAKEMORE Golf Ball Washer Patent |
| 1937 KATZ Clip Ornament Jewelry Design Patent 24482 |
| 1948 KATZ Necklace Ornamental Design CORO Patent 31995 |
| 1940 KATZ BENJAMIN Side Wrist Watch Patent Print |
| 1937 HARRY KATZ Slip Patent Print Art |
| 1947 KATZ Ornamental Design Necklace CORO Patent 31963 |
| 1948 KATZ Bracelet Ornamental Design CORO Patent 31990 |
| 1989 KATZ Guard Preventing Dents KRACO Patent 47944 |
| 1941 KATZ Doll Method Of Making Same Patent |
| 1945 KATZ Combined Cigarette Case Compact Patent 39876 |
| 1948 KATZ Original Design Necklace CORO Patent 31998 |
| 1948 KATZ Necklace Design Ornamental CORO Patent 32203 |
| 1940 KATZ DAVID Men'S Shorts Patent Print Art |
| 1962 KATZ ABRAHAM Animated Doll Patent Print Art |
| 1937 KATZ Design Clip Ornamented Patent 24485 |
| 1949 KATZ Pair Optical Magnifying Glasses Patent 20965 |
| 1937 KATZ Clip Design Ornamentation Patent 24481 |
| 1937 KATZ Clip Ornamental Design Patent 24483 |
| 1967 KATZ ABRAHAM Animated Crying Doll Patent |
| 1937 KATZ Ornamental Design Clip Patent 24486 |
| 1948 KATZ Ornamentation Necklace New CORO Patent 31999 |
| 1968 MINTZ Design Dog Collar Clasp KATZ Patent 36705 |
| 1940 KATZ Bracelet Ornamental Design COHN Patent 31802 |
| 1951 SAMUEL KATZ Separable Slip Patent Print Art |
| 1980 KATZ Design Cigarette Puncturing Tool Patent 40499 |
| 1951 MAURICE KATZ Shock Absorber Patent Print |
| 1958 KATZ Dental Reflector Aspirating Unit Patent 33264 |
| 1943 KATZ Brooch Ornamental Design CORO Patent 24639 |
| 1934 KATZ Doll Patent |
| 1925 KATZ Harmoica Music Design STRAUSS Patent 25487 |
| 1924 KATZ Name Plate Ornamentation Door Patent 49490 |
| 1939 KATZ Brooch Ornamental Design Patent 24537 |
| 1966 KATZ NORMAN Shock Absorber Patent Print Art |