FK

Frederick H. Kroll

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 New Rochelle, NY: #17 of 475 inventorsTop 4%
🗺 New York: #8,460 of 115,490 inventorsTop 8%
Overall (All Time): #280,275 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
6312306 Gyroscope and method and apparatus for spinning same 2001-11-06
5225934 Kaleidoscope with counter-rotating object wheels 1993-07-06
D325939 Drawing toy 1992-05-05
D311225 Toy puppet stage 1990-10-09
D288943 Toy activity book 1987-03-24
D282088 Toy van Rosalind M. Fox 1986-01-07
D276384 Inflatable baby bed 1984-11-20
D271414 Counting swatter 1983-11-15
D265103 Game board 1982-06-22
D262899 Toy writing slate 1982-02-02
D262728 Toy desk 1982-01-19
D259498 Peg game chest 1981-06-09
D258481 Chiropractic mattress, or similar article 1981-03-10
D258205 Halloween bag, or similar article 1981-02-10
D257919 Chiropractic car seat, or similar article 1981-01-20
D257994 Toy drawing desk 1981-01-20
D257309 Chiropractic pillow, or similar article 1980-10-14