Method of making a bird repellant structure and blank for use th

Details Method of making a bird repellant structure and blank for use th Method of making a bird repellant structure and blank for use th

1990-07-18

1991-03-05

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Intermediate article

428596, 428597, 72335, 52101, E04B 172, B21D 5300

Patent

active

049977210

ABSTRACT:
An improved blank base and method of making a bird repellant structure. The method comprises forming slots into a continuous base strip for the formation of repellant members. Said repellant members have a single forward diagonal edge for the simple cutting of repellant barbs.

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patent: 4844422 (1989-07-01), Major

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