PK

Peter Kilham

DY Droll Yankees: 3 patents #5 of 14Top 40%
Overall (All Time): #140,357 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
D337244 Bird feeder seed scoop 1993-07-13
5062388 Bird feeder 1991-11-05
D320875 Double decker selective bird feeder 1991-10-15
D320290 Bird feeder base 1991-09-24
4977859 Selective bird feeder 1990-12-18
D303168 Combined bird feeder shield and perch 1989-08-29
4846111 Bendable coiled wire bird perch assembly 1989-07-11
4841910 Bendable coiled wire bird perch 1989-06-27
4690101 Bird feeder with adjustable feed tray 1987-09-01
D282018 Combined trough and perch for a bird feeder 1985-12-31
D282019 Bird feeder 1985-12-31
D278166 Bird feeder 1985-03-26
D278167 Bird feeder tray 1985-03-26
D278088 Anti large bird feeding perch 1985-03-19
D277988 Tray for bird feeder 1985-03-12
D277703 Tiered bird feeder 1985-02-19
4462337 Bird feeder with rotatable cover 1984-07-31
D273429 Bird feeder 1984-04-10
4432335 Stove construction for achieving complete fuel combustion 1984-02-21
D269113 Wood burning stove 1983-05-24
4361116 Window bird feeder 1982-11-30
D266021 Wood burning stove 1982-08-31
D265921 Wood burning stove 1982-08-24
D265938 Bird feeder perch 1982-08-24
D265939 Window bird feeder 1982-08-24